Add prep code

.gitignore

@@ -0,0 +1,3 @@
+*.tar
+data_prep/original_v0/data/
+data_prep/original_v1/data/

data_prep/original_v0/download.sh

@@ -0,0 +1,17 @@
+wget https://object.pouta.csc.fi/Tatoeba-Challenge-devtest/dev.tar
+wget https://object.pouta.csc.fi/Tatoeba-Challenge-devtest/test.tar
+
+# extract
+tar -xvf dev.tar
+tar -xvf test.tar
+
+mv data/release/test/v2023-09-26 data/release/test/latest
+mv data/release/dev/v2023-09-26 data/release/dev/latest
+
+for file in data/release/test/latest/*.gz; do
+    gunzip $file
+done
+
+for file in data/release/dev/latest/*.gz; do
+    gunzip $file
+done

data_prep/original_v0/extract.py

@@ -0,0 +1,99 @@
+from glob import glob
+from datasets import Dataset
+
+langs = [
+    "asm",
+    "awa",
+    # "bal",
+    "ben",
+    "bho",
+    # "bod",
+    "brx",
+    # "div",
+    "guj",
+    # "hif",
+    "hin",
+    "kan",
+    "kha",
+    "kok",
+    "lah",
+    "mai",
+    "mal",
+    "mar",
+    "mni",
+    "nep",
+    "nst",
+    "ori",
+    "pan",
+    "pli",
+    # "rhg",
+    "san",
+    "sat",
+    # "sin",
+    "snd",
+    "tam",
+    "tel",
+    "urd",
+]
+
+HF_REPO = "sarvamai/tatoeba-indic"
+
+dev_dir = "data/release/dev/latest"
+
+for lang in langs:
+    files = glob(f"{dev_dir}/*.eng-{lang}.txt") + glob(f"{dev_dir}/*.{lang}-eng.txt")
+    
+    if not files:
+        print(f"No dev files found for lang: {lang}")
+        continue
+
+    assert len(files) == 1
+    
+    src_lines, tgt_lines = [], []
+
+    with open(files[0], "r") as f:
+        for line in f:
+            src_lang, tgt_lang, src, tgt = line.strip().split("\t")
+            if src_lang != "eng":
+                # Swap src and tgt
+                src_lang, tgt_lang = tgt_lang, src_lang
+                src, tgt = tgt, src
+            
+            if not src.strip() or not tgt.strip():
+                continue
+
+            src_lines.append(src.strip())
+            tgt_lines.append(tgt.strip())
+
+    dataset = Dataset.from_dict({"src": src_lines, "tgt": tgt_lines})
+    dataset.push_to_hub(HF_REPO, lang, split="dev")
+
+test_dir = "data/release/test/latest"
+
+for lang in langs:
+    files = glob(f"{test_dir}/*.eng-{lang}.txt") + glob(f"{test_dir}/*.{lang}-eng.txt")
+    
+    if not files:
+        print(f"No test files found for lang: {lang}")
+        continue
+
+    assert len(files) == 1
+    
+    src_lines, tgt_lines = [], []
+
+    with open(files[0], "r") as f:
+        for line in f:
+            src_lang, tgt_lang, src, tgt = line.strip().split("\t")
+            if src_lang != "eng":
+                # Swap src and tgt
+                src_lang, tgt_lang = tgt_lang, src_lang
+                src, tgt = tgt, src
+            
+            if not src.strip() or not tgt.strip():
+                continue
+
+            src_lines.append(src.strip())
+            tgt_lines.append(tgt.strip())
+
+    dataset = Dataset.from_dict({"src": src_lines, "tgt": tgt_lines})
+    dataset.push_to_hub(HF_REPO, lang, split="test")

data_prep/original_v1/extract.py

@@ -0,0 +1,98 @@
+import os
+import requests
+from glob import glob
+import time
+
+from datasets import Dataset
+
+langs = [
+    "asm",
+    "awa",
+    # "bal",
+    "ben",
+    "bho",
+    # "bod",
+    "brx",
+    # "div",
+    "guj",
+    # "hif",
+    "hin",
+    "kan",
+    "kha",
+    "kok",
+    # "lah",
+    "mai",
+    "mal",
+    "mar",
+    "mni",
+    "nep",
+    # "nst",
+    "ori",
+    "pan",
+    "pli",
+    # "rhg",
+    "san",
+    "sat",
+    # "sin",
+    "snd",
+    "tam",
+    "tel",
+    "urd",
+]
+
+HF_REPO = "sarvamai/tatoeba-indic"
+BASE_URL = "https://object.pouta.csc.fi/Tatoeba-Challenge-v2023-09-26/{direction}.tar"
+
+for lang in langs:
+    direction = f"eng-{lang}"
+    url1 = BASE_URL.format(direction=direction)
+    # Check if the file exists
+    response = requests.head(url1)
+    if response.status_code == 200:
+        print(f"File exists: {url1}")
+        download_url = url1
+    else:
+        direction = f"{lang}-eng"
+        url2 = BASE_URL.format(direction=direction)
+        response = requests.head(url2)
+        if response.status_code == 200:
+            print(f"File exists: {url2}")
+            download_url = url2
+        else:
+            raise ValueError(f"File does not exist: {url1} or {url2}")
+    
+    file_name = download_url.split("/")[-1]
+    if not os.path.exists(file_name):
+        # Download the file
+        os.system(f"wget {download_url}")
+
+        # Extract the file
+        os.system(f"tar -xvf {file_name}")
+
+    src_lang, tgt_lang = direction.split("-")
+
+    sets = ["test", "dev"]
+
+    for split in sets:
+        src_files = glob(f"data/release/**/{direction}/{split}.src")
+        if not src_files:
+            print(f"No {split} src files found for {direction}")
+            continue
+
+        tgt_files = glob(f"data/release/**/{direction}/{split}.trg")
+
+        src_lines, tgt_lines = [], []
+        for src_line in open(src_files[0]):
+            src_lines.append(src_line.strip())
+
+        for tgt_line in open(tgt_files[0]):
+            tgt_lines.append(tgt_line.strip())
+
+        assert len(src_lines) == len(tgt_lines), f"Lengths of {split} src and tgt files are not equal for {direction}"
+
+        if src_lang != "eng":
+            # Swap src and tgt
+            src_lines, tgt_lines = tgt_lines, src_lines
+
+        dataset = Dataset.from_dict({"src": src_lines, "tgt": tgt_lines})
+        dataset.push_to_hub(HF_REPO, lang, split=split, commit_message=f"Add {split} split for {lang} language"); time.sleep(2)